/*
 * Copyright 2014-2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.session.data.mongo;

import org.springframework.util.ClassUtils;

/**
 * Provider choosing proper AbstractMongoSessionConverter.
 *
 * @author Jakub Kubrynski
 */
final class SessionConverterProvider {

	private static final String JACKSON_CLASS_NAME = "com.fasterxml.jackson.databind.ObjectMapper";

	private SessionConverterProvider() {
	}

	static AbstractMongoSessionConverter getDefaultMongoConverter() {
		if (ClassUtils.isPresent(JACKSON_CLASS_NAME, null)) {
			return new JacksonMongoSessionConverter();
		}
		else {
			return new JdkMongoSessionConverter();
		}
	}

}
